18457485

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 30862080

約数和(自身を除く): 12404595

約数列:

[1, 3, 5, 15, 29, 87, 145, 151, 281, 435, 453, 755, 843, 1405, 2265, 4215, 4379, 8149, 13137, 21895, 24447, 40745, 42431, 65685, 122235, 127293, 212155, 636465, 1230499, 3691497, 6152495, 18457485]

約数ペア:

[(1, 18457485), (3, 6152495), (5, 3691497), (15, 1230499), (29, 636465), (87, 212155), (145, 127293), (151, 122235), (281, 65685), (435, 42431), (453, 40745), (755, 24447), (843, 21895), (1405, 13137), (2265, 8149), (4215, 4379)]